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  • Title: Antimicrobial activity of DW286 against Streptococcus pneumoniae.
    Author: Park HS, Jung SJ, Choi DR, Kwak JH.
    Journal: Int J Antimicrob Agents; 2010 Sep; 36(3):230-3. PubMed ID: 20627463.
    Abstract:
    DW286 is a novel broad-spectrum fluoroquinolone with excellent antipneumococcal activity. The in vitro activity of DW286 was evaluated against quinolone-susceptible and -resistant Streptococcus pneumoniae and was compared with the activities of reference compounds. Among the tested agents, DW286 showed the most potent antibacterial activity against 94 quinolone-susceptible strains [minimum inhibitory concentration (MIC) 0.008-0.03 mg/L]. Against 23 quinolone-resistant S. pneumoniae with known resistance mechanisms, DW286 also had the lowest MICs of all the tested quinolones [MIC at which 90% of isolates were inhibited (MIC(90))=0.5mg/L], followed by ciprofloxacin, sparfloxacin, moxifloxacin and gemifloxacin. The in vivo activity of DW286 against penicillin-susceptible and -resistant S. pneumoniae was more effective than that of gemifloxacin.
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